Finding the Fourth Proportional to 569,103.34, 785,364.68 and 310,980.31
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Solution
The fourth proportional to 569,103.34, 785,364.68 and 310,980.31 is: 429,153.95
Step by Step Solution
- Step 1: Write the proportion equation
569,103.34 : 785,364.68 = 310,980.31 : x - Step 2: Convert to fraction form
569,103.34/785,364.68 = 310,980.31/x - Step 3: Cross multiply
569,103.34x = 785,364.68 × 310,980.31 - Step 4: Simplify right side
569,103.34x = 244,232,948,162.02 - Step 5: Solve for x
x = 244,232,948,162.02/569,103.34 - Step 6: Final answer
x = 429,153.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.